JP6995864B2 - 金を含む薄膜の蒸着 - Google Patents
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- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/18—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metallo-organic compounds
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45534—Use of auxiliary reactants other than used for contributing to the composition of the main film, e.g. catalysts, activators or scavengers
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/52—Controlling or regulating the coating process
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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Description
本願で特許請求される発明は、ヘルシンキ大学(the University of Helsinki)とASM Microchemistry Oyとの間の共同研究協約によって、又は共同研究協約のために、及び/又は共同研究協約に関連してなされた。当協約は、特許請求される発明がなされた日及びその日以前に発効しており、特許請求される発明は、当協約の範囲内で取り組まれた活動の結果としてなされたものである。
発明の背景
金を含む薄膜の蒸着
ブロック110で、基材表面を少なくとも一つの硫黄供与体配位子(すなわち、硫黄原子を介して金原子に結合された配位子)及び少なくとも一つのアルキル配位子を含む気相の金前駆体と接触させることと、
ブロック120で、任意の過剰な金前駆体及び反応副生成物がある場合には、これらを表面から除去することと、
ブロック130で、基材表面を気相の第二の反応物質と接触させることと、
ブロック140で、基材表面から、任意の過剰な第二の反応物質及び反応副生成物を除去することと、
所望の厚さの金を含む薄膜を形成するために、ブロック150で、接触する工程及び除去する工程を随意に繰り返すことと、を含む、少なくとも一つの成膜サイクルを含む、周期的蒸着方法100によって反応空間内で基材上に成膜される。
ブロック210で、基材の表面を、Me2Au(S2CNEt2)を含むEmを含む気相の金前駆体と接触させることと、
ブロック220で、任意の過剰な金前駆体及び反応副生成物がある場合には、これらを表面から除去することと、
ブロック230で、基材表面を、オゾンを含む気相の第二の反応物質と接触させることと、
ブロック240で、基材表面から、任意の過剰な酸素反応物質及び反応副生成物を除去することと、
所望の厚さの金を含む薄膜を形成するために、ブロック250で、接触する工程及び除去する工程を随意に繰り返すことと、を含む、少なくとも一つの成膜サイクルを含む、原子層成膜方法200によって反応空間内で基材上に成膜される。
基材の表面を、少なくとも一つの硫黄供与体配位子及び少なくとも一つのアルキル配位子を含む気相の金前駆体と接触させて、基材上に金前駆体又はその種の単分子層を最大に形成することと、
過剰な金前駆体及び反応副生成物がある場合には、これらを表面から除去することと、
基材表面を、オゾンを含む気相の第二の反応物質と接触させることと、
任意の過剰な第二の反応物質、及び金前駆体層とオゾンを含む第二の反応物質との間の反応で形成された任意の気体の副生成物を表面から除去することと、を含む少なくとも一つの成膜サイクルを含むALD型方法によって、基材上に形成される。
金前駆体
第二の反応物質
薄膜特性
ジメチル金のジエチルジチオカルバマトの熱特性(III)(Me2Au(S2CNEt2))を調査した。Me2Au(S2CNEt2)は、室温で固体であることがわかった。加熱時、Me2Au(S2CNEt2)が約40℃~約44℃で溶融することが見いだされた。図3に示す通り、Me2Au(S2CNEt2)(10℃/分の加熱率、10mgサンプルサイズ、1atmでN2流量)に対する熱重量分析(TGA)曲線は、約220°C未満のほぼ完全な蒸発を示す。
実施例2
実施例3
実施例4
実施例5
Claims (25)
- 反応空間内の基材上に金を含む薄膜を形成するための方法であって、前記方法が、
前記基材を気相の金前駆体及び気相の第二の反応物質と交互にかつ順次接触させることを含み、
前記気相の金前駆体が、硫黄又はセレンを含む少なくとも一つの配位子と、少なくとも一つのアルキル配位子とを含み、
前記金前駆体及び前記第二の反応物質が反応して、金を含む前記薄膜を形成する、方法。 - 前記基材を気相の金前駆体及び気相の第二の反応物質と交互にかつ順次接触させることは、二回以上繰り返す成膜サイクルを含む、請求項1に記載の方法。
- 前記成膜サイクルは、前記基材を前記気相の金前駆体と接触させた後に、前記反応空間から過剰な気相の金前駆体及び反応副生成物を除去することをさらに含む、請求項2に記載の方法。
- 前記成膜サイクルは、前記基材を前記第二の反応物質と接触させた後に、前記反応空間から過剰な第二の反応物質及び反応副生成物を除去することをさらに含む、請求項2に記載の方法。
- 前記金前駆体の前記金は、酸化状態+IIIを有する、請求項1に記載の方法。
- 硫黄又はセレンを含む前記配位子が硫黄を含む、請求項1に記載の方法。
- 硫黄又はセレンを含む前記配位子がセレンを含む、請求項1に記載の方法。
- 前記金前駆体が、一つ又は複数の中性付加物を含む、請求項1に記載の方法。
- 前記金前駆体が、ジエチルジチオカルバマト配位子を含む、請求項1に記載の方法。
- 前記金前駆体が、Me2Au(S2CNEt2)を含む、請求項9に記載の方法。
- 前記第二の反応物質が酸素を含む、請求項1に記載の方法。
- 前記第二の反応物質が酸素の反応種を含む、請求項11に記載の方法。
- 前記第二の反応物質がオゾンを含む、請求項12に記載の方法。
- 前記方法が120℃~220℃の成膜温度を有する、請求項1に記載の方法。
- 金を含む前記薄膜は、20nmの厚さに達すると連続的である、請求項2に記載の方法。
- 金を含む前記薄膜は、20nm~50nmの厚さを有する、請求項15に記載の方法。
- 金を含む前記薄膜が、20μΩcm未満の抵抗率を有する、請求項15に記載の方法。
- 金を含む前記薄膜が、成膜サイクル当たり0.8Åを超える成長速度を有する、請求項2に記載の方法。
- 前記方法は、原子層成膜(ALD)法である、請求項2に記載の方法。
- 前記方法が、周期的化学蒸着(CVD)法である、請求項2に記載の方法。
- 複数の成膜サイクルを含む反応空間内の基材上に金を含む薄膜を形成するための原子層成膜(ALD)法であって、少なくとも一つの成膜サイクルが、
前記基材を気相の金前駆体及び気相の第二の反応物質と交互にかつ順次接触させることを含み、
前記成膜サイクルが二回以上繰り返されて金を含む前記薄膜を形成し、
前記気相の金前駆体の金が、+IIIの酸化状態を有し、前記気相の金前駆体が、少なくとも一つの硫黄供与体配位子及び少なくとも一つのアルキル配位子を含む、原子層成膜方法。 - 前記金前駆体がMe2Au(S2CNEt2)を含む、請求項21に記載の方法。
- 前記第二の反応物質がオゾンを含む、請求項21に記載の方法。
- 金を含む前記薄膜は、20nmの厚さに達すると連続的である、請求項21に記載の方法。
- 金を含む前記薄膜は、100成膜サイクル後に連続的である、請求項21に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2021203479A JP7108121B2 (ja) | 2017-01-26 | 2021-12-15 | 金を含む薄膜の蒸着 |
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| US15/417,001 | 2017-01-26 | ||
| US15/417,001 US10145009B2 (en) | 2017-01-26 | 2017-01-26 | Vapor deposition of thin films comprising gold |
| PCT/US2018/013079 WO2018140235A1 (en) | 2017-01-26 | 2018-01-10 | Vapor deposition of thin films comprising gold |
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| US10145009B2 (en) * | 2017-01-26 | 2018-12-04 | Asm Ip Holding B.V. | Vapor deposition of thin films comprising gold |
| RU2730310C1 (ru) * | 2020-01-17 | 2020-08-21 | Сергей Владимирович Никифоров | Способ дегазации полигона твёрдых коммунальных отходов |
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| US3516720A (en) * | 1968-03-04 | 1970-06-23 | Eastman Kodak Co | Thin film coating for sunglasses |
| JP2729317B2 (ja) * | 1989-06-10 | 1998-03-18 | 日本ゼオン株式会社 | 光ディスク |
| JPH0762544A (ja) | 1993-08-25 | 1995-03-07 | Mitsubishi Materials Corp | 高純度金膜およびその前駆膜の形成法 |
| US5843993A (en) * | 1997-03-14 | 1998-12-01 | The Curators Of The University Of Missouri | Hydroxyalkyl phosphine gold complexes for use as diagnostic and therapeutic pharmaceuticals and method of making same |
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| TW202144605A (zh) | 2021-12-01 |
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| CN120924935A (zh) | 2025-11-11 |
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| KR20190110546A (ko) | 2019-09-30 |
| US20230175132A1 (en) | 2023-06-08 |
| US20180209041A1 (en) | 2018-07-26 |
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| JP2022037119A (ja) | 2022-03-08 |
| JP7108121B2 (ja) | 2022-07-27 |
| TW201833380A (zh) | 2018-09-16 |
| US11047046B2 (en) | 2021-06-29 |
| JP2022137205A (ja) | 2022-09-21 |
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| TW202225447A (zh) | 2022-07-01 |
| US20190071775A1 (en) | 2019-03-07 |
| KR20230165384A (ko) | 2023-12-05 |
| KR20210120129A (ko) | 2021-10-06 |
| US10145009B2 (en) | 2018-12-04 |
| WO2018140235A1 (en) | 2018-08-02 |
| US20210277519A1 (en) | 2021-09-09 |
| TWI737884B (zh) | 2021-09-01 |
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